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Balboa Park: Botanical Building

Balboa Park: Botanical Building

Botanical Building

Surely, every visitor to Balboa Park’s Botanical Building will attest to the restorative beauty of the place — another legacy of the great 1915-16 Panama-California Exposition. Alfred D. Robinson, one of the founders of the San Diego Floral Association, as well as a gardener, horticulturalist, and writer, envisioned a lath house in Balboa Park. A covered structure with open, slatted sides, a lath house is the perfect blend between indoors and out, and in the August, 1911 issue of California Garden, Robinson wrote an article describing his Exposition Dream — a large lath house with an arched dome to be filled with thousands of vines, palms, and other vegetation. Within the building, Robinson imagined six side aisles filled with appropriately labeled plants, exuding fragrance and color.


The Panama-California Exposition Committee took the suggestion under consideration, and the following year, the March, 1912 issue of Sunset Magazine featured another article by Robinson entitled “A Palace of Lath.” Robinson again addressed the upcoming Exposition and characteristics of the San Diego climate, and proposals for the Botanical Building met with enthusiasm and much discussion.

Balboa Park: Botanical Building
Botanical Building

The result was an aerie structure that appeals to the best of nature, its lattice roof allowing light into the interior with pleasing effect. Begun in 1913, the building was completed in 1914, well ahead of the Exposition’s grand opening in 1915. The main part was composed of redwood on concrete and stucco. Supporting trusses, painted to match the redwood, were made of steel. Designed by Carleton Winslow, with construction supervision by Frank P. Allen, Jr. the lath house became a popular attraction, and the building and its gardens have enjoyed great favor with the public over the ensuing years.

Balboa Park: Botanical Building
Interior of Botanical Building

Still, the history of the site has not been a smooth one. A few months after the 1915-16 Exposition ended, the building was closed when the United States entered World War I, and again years later when the park was taken over by the military during World War II. Greatly neglected after the war, the building reopened following renovation in 1957. The remodeling project was so expensive for the time that local nurseries provided plants for the re-opening because there was no money available for that purpose.


In 1964, the building’s 50-year-old bridge balustrade, which divides the Laguna (Lily Pond), was renovated by Robert M. Golden, a prominent San Diego leader who was head of a construction company. This effort greatly enhanced the entire southern approach to the building.


Today, the imposing structure houses a multitude of rare plants, and offers a glorious pageant of color. Seasonal floral displays are highlights of its year-round operation, including lilies in the spring and gorgeous poinsettias during the holiday season.   DARLENE G. DAVIES

Balboa Park: Botanical Building
The beautiful poinsettia display in the Botanical Building is sponsored by Friends of Balboa Park. It opens in time to welcome visitors to the parks December Nights on December 6


 Poinsettia displays: Photography by Ruth Hayward, courtesy of Friends of Balboa Park     All other imagery courtesy of Darlene G. Davies




The Great Panama-California Exposition

1915 Panama California Exposition

Plaza de Panama

Spreckels Outdoor Organ Pavilion

Gardens of the Panama-California Exposition

Legacy of the Foreign Arts Building

Lily Pond

Preserving the Past

Tales of the 1915 Exposition

Japanese Teahouse & Garden

Return of the Electriquette

The Painted Desert

Panama-California Sculpture Court

The Isthmus

New Mexico State Building

Commerce and Industries Building

Tales of the Panama-California Exposition

The Legacy of the Panama-California Exposition



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